Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Radial System Protection01:23

Radial System Protection

Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
Multimachine Stability01:25

Multimachine Stability

Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
Control of Power Flow01:30

Control of Power Flow

There are several methods to control power flow in power systems:
Mason's Rule01:20

Mason's Rule

Mason's rule is a powerful tool in control systems and signal processing. It simplifies the calculation of transfer functions from signal-flow graphs. This method leverages various elements, including loop gains, forward-path gains, and non-touching loops, to determine the transfer function efficiently.
Loop gain is determined by identifying and tracing a path from a node back to itself. This involves computing the product of branch gains along the loop. Each loop's gain is crucial for further...
Load-frequency control01:28

Load-frequency control

Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
Reclosers and Fuses01:26

Reclosers and Fuses

Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Teat and udder morphology and pathology of New Zealand dairy ewes.

New Zealand veterinary journal·2025
Same author

Where do all the ewes go? Ewe culling and mortality in 34 sheep flocks in New Zealand.

New Zealand veterinary journal·2024
Same author

Reduced anthelmintic use on 13 New Zealand sheep farms: farmer motivations and practical implementation.

New Zealand veterinary journal·2024
Same author

Identification of risk factors for ewe mortality during the pregnancy and lambing period in extensively managed flocks.

BMC veterinary research·2023
Same author

Deaths due to suspected hypothermia in sheep and alpacas on a Manawatū farm in New Zealand in mid-summer.

New Zealand veterinary journal·2023
Same author

Longitudinal study of the effect of sporidesmin toxicity on lamb production and serum biochemistry in a flock of 46 Romney ewes using a standardised measure of liver damage.

New Zealand veterinary journal·2022
Same journal

Integrated miRNA-mRNA analysis Identifies oar-miR-143 as a potential regulator of follicular dominance in multiparous sheep and validates its target gene CDK2.

Animal reproduction science·2026
Same journal

First visualization of intact sperm storage tubules in the duck oviduct: A fluorescent labeling approach for targeted SST sampling.

Animal reproduction science·2026
Same journal

Placental multi-omics profiling reveals breed-related molecular differences associated with porcine reproductive performance.

Animal reproduction science·2026
Same journal

Kit Ligand enhances in vitro oocyte maturation and early embryonic development in sheep.

Animal reproduction science·2026
Same journal

Comparative genomics and reproductive mechanisms of fertility in cattle and camels: Implications for assisted reproduction and precision breeding.

Animal reproduction science·2026
Same journal

Toward surrogate-based conservation: Preservation of European eel (Anguilla anguilla) spermatogonial stem cells.

Animal reproduction science·2026
See all related articles

Related Experiment Video

Updated: May 25, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Ram and buck management.

A L Ridler1, S L Smith, D M West

  • 1Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand. a.l.ridler@massey.ac.nz

Animal Reproduction Science
|February 14, 2012
PubMed
Summary
This summary is machine-generated.

Year-round management of rams and bucks, including nutrition and health, is vital for reproductive success. Annual soundness exams and careful breeding practices maximize flock productivity and male longevity.

Related Experiment Videos

Last Updated: May 25, 2026

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Reproductive Biology

Background:

  • Effective management of small ruminant farms requires attention to reproductive success.
  • Rams and bucks are crucial for flock reproduction but often receive inadequate care outside breeding seasons.

Purpose of the Study:

  • To emphasize the importance of year-round health management for breeding males.
  • To highlight the benefits of pre-mating soundness examinations.
  • To underscore the need for monitoring mating effectiveness.

Main Methods:

  • Review of best practices in small ruminant male management.
  • Emphasis on consistent nutrition and health protocols.
  • Incorporation of annual pre-mating soundness assessments.

Main Results:

  • Year-round health management improves ram and buck soundness.
  • Pre-mating exams identify potential breeding issues early.
  • Strategic male use and monitoring enhance reproductive outcomes.

Conclusions:

  • Consistent, year-round management is essential for optimal ram and buck reproductive performance.
  • Proactive health assessments and breeding strategies maximize flock productivity and male longevity.